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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 453 - 457 (5page)
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Straighthead is a physiological disorder in rice that causes yield losses and is a serious threat to rice production worldwide. Identification of QTL conferring resistance will help develop resistant cultivars for straighthead control. We conducted linkage mapping to identify QTL involved with straighthead. The study was based on a F2 population developed from a cross between ‘Zhe733(resistant)/R312(susceptible)’. Using phenotypic data of F2 plants and their F2:3 families, two major QTL, qSTH-2 and qSTH-8, were identified using bulked segregant analysis, explaining 11.1 and 28.1 % of the phenotypic variation on chromosome 2 and 8, respectively. The qSTH-2 for straighthead resistance was identified by linkage mapping. qSTH-2 was situated near a QTL ‘‘AsS’’ responsible for arsenic accumulation. Straighthead is frequently observed on land where As has accumulated. The result suggests a kind of internal connection between qSTH-2 and AsS. Additionally, the QTL qSTH-8 was located close to HD5 related with heading date. The close location may be associated with the observation of early heading among straighthead resistant varieties. These findings should be useful for further genetic study of straighthead.
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등록된 정보가 없습니다.
참고문헌 (30)
참고문헌 신청
Adair CR / 1973 / USDA agricultural research services handbook 289 / U.S. Gov. Print :47
Agrama HA / 2009 / Association mapping of straighthead disorder induced by arsenic in Oryza sativa / Plant Breed 128:551~558
Agrama HA / 2010 / Genetic diversity and relatedness of rice cultivars resistant to straighthead disorder / Plant Breed 129:304~312
Atkins JG / 1974 / USDA agriculture handbooks 448 / Agricultural Research Service, U.S. Dept. of Agriculture :58~63
Baba I / 1954 / physiological diseases of rice plant in Japan / Ministry of Agriculture and Forestry, Japanese Government
Agrama HA / 2009 / Association mapping of straighthead disorder induced by arsenic in Oryza sativa / Plant Breed 128:551~558
Agrama HA / 2010 / Genetic diversity and relatedness of rice cultivars resistant to straighthead disorder / Plant Breed 129:304~312
Atkins JG / 1974 / USDA agriculture handbooks 448 / Agricultural Research Service, U.S. Dept. of Agriculture :58~63
Baba I / 1954 / physiological diseases of rice plant in Japan / Ministry of Agriculture and Forestry, Japanese Government
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